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GSM PHONE
SERVICE MANUAL

MODEL : BD38

1st version

(2004, 06, 09)

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Содержание BD38

Страница 1: ...GSM PHONE SERVICE MANUAL MODEL BD38 1st version 2004 06 09 ...

Страница 2: ...Rev 1 00 ...

Страница 3: ...1 4 1 Data Kit 4 1 4 1 1 Download Equipment 4 1 4 1 2 Download Procedure 4 1 5 Troubleshooting 5 1 5 1 Power On Trouble 5 1 5 2 MIC Trouble 5 2 5 3 Receiver Trouble 5 3 5 4 Melody Trouble 5 4 5 5 LCD Trouble 5 5 5 6 Charge Trouble 5 6 5 7 Vibrator Trouble 5 7 5 8 Backlight Trouble 5 8 5 9 TX Power Trouble E GSM 5 9 5 10 TX Power Trouble DCS 5 11 5 11 Rx Sensitivity Trouble E GSM 5 13 5 12 Rx Sensi...

Страница 4: ...8 1 8 1 2 Folder 8 2 8 2 Mechanical Parts List 8 3 8 2 1 Main 8 3 8 2 2 Folder 8 4 9 Block Diagram 9 1 9 1 BB Block Diagram 9 1 9 2 RF Block Diagram 9 2 10 Schematic Diagram 10 1 10 1 Key Pad 10 1 10 2 Main Board 10 2 10 2 1 Chipset 10 2 10 2 2 Memory Melody 10 3 10 2 3 Audio SIM 10 4 10 2 4 Connector 10 5 10 3 RF Top Schematic 10 6 10 3 1 RF PAM 10 6 10 3 2 RF Main IC 10 7 ...

Страница 5: ...d BD38 has the operation band of GSM 900 and DCS 1800 GSM Phase II features are fully supported and parts of the GSM Phase II features are also supported About the SIM Toolkit BD38 supports up to Class 3 including Class 1 2 For speech communication BD38 supports Full Rate FR Enhanced Full Rate EFR and Half Rate HR For easy text eZi Text is implemented 1 1 ...

Страница 6: ...RX 925 960 MHz DCS 1800 TX 1710 1785 MHz DCS 1800 RX 1805 1880 MHz Battery Capacity Standard Li ion 720 mAh Display 1 Full graphic type 2 Single LCD 3 Main LCD 65 000 color UFB STN LCD Pixels 128x160 Antenna Intenna type PC synchronization Applied Speech coding FR EFR HR Data Fax Built in Vibrator Built in Dual Speaker Built in Portable Handsfree Ear Phone Built in Travel charger Built in 2 1 ...

Страница 7: ...l broadcast CB option On Off Read topics SIM Phone Languages Same as number of language Voice memo Voice recording 30 sec 15 sec x 2 entry Play Delete All Supplementary services Call barring All outgoing calls All outgoing international calls All outgoing int calls except to home country All incoming calls when roaming Call Forward Always Busy No Reply Unreach Short Message Write message Send Stor...

Страница 8: ...y Display software version Text input Language English eZi text Predictive word input Scheduler View day View Monthly View Weekly Make Meet Birthday Anniversary Memo Call Delete Find Setup World time Setting local time Number of selectable cities 28 Cities Calculator Operator Addition Subtraction Multiplication Division Unit converter Length conversion Weight conversion Volumes conversion Surface ...

Страница 9: ...n Function Detail Item Comments Melody Composer Compose 4 Poly Melody List 10 Delete All Volume 1 5 Bio Rhythm My Rhythm Friend Rhythm Special day Setup My Birthday Friend s Birthday Game 2EA Mobile Soccer Magic Hunter ...

Страница 10: ... 3 1 Before Disassembly Remove the SIM card as shown 3 1 2 Remove the SIM card To do so Slide the metal lock in the direction of arrow 1 Remove the battery To do so Pull the battery lock below the battery Lift the battery away ...

Страница 11: ...Frame 1 Remove the four screws on the back of the phone 2 Insert a small type driver between the front case and the Rear case and lift up the front case Front case Rear case Main PCB 3 Now you can replace the PCBs and the other components ...

Страница 12: ... back case as described at Steps 1 and 2 under Main Frame Disassembly on page 3 2 2 Unplug the connector from the main PCB as shown 3 Unhook the folder from the main frame 3 3 Folder 4 Remove the two screws from the folder Connector Main PCB ...

Страница 13: ...ly Instruction 6 Now you can remove the LCD ass y and the other components LCD ass y 5 Insert a small type driver between the folder upper and the folder lower and lift up the folder upper Folder upper Folder lower ...

Страница 14: ...38 the following working environments should be prepared BD38 data link kit LC 100 is connected to COM1 or COM2 serial port of the desktop or notebook PC BD38 data kit download monitor program is copied to the desktop PC or notebook PC Target software is downloaded to the BD38 mobile phone Warning You MUST use the data link kit LC 100 and UART download monitor program Otherwise downloading process...

Страница 15: ...p in the PC 2 Execute monitor670 exe And then select Target menu Then choose Connect from the Target menu 3 A table will be displayed as shown in Figure 2 Then press the arrow button and choose a correct serial port And press OK button Data Kit Download Procedure Figure 1 Figure 2 ...

Страница 16: ... As the following window shown in Figure 3 is displayed connect BD38 phone to the data link kit LC 100 and power on BD38 If the connection is succeeded the following screen will show the contents as shown in Figure 4 Figure 3 Figure 4 ...

Страница 17: ...cedure 5 Click on Flash on the top menu and select Erase and Program Appli only item as shown in Figure 5 6 Choose the target SW that you want to download And then you can see the following window in Fingure 6 Figure 5 Figure 6 ...

Страница 18: ...7 If the downloading procedure is succeeded then the following window is shown 4 5 Data Kit Download Procedure Figure 7 ...

Страница 19: ... of U701 PIN 3 YES Then the phone is powered on properly Check the LCD module The level is higher than 3 5V Charge the battery Power on sequence is not executed properly Try again If the result is same replace U501 END NO NO The level is higher than 3V 5 Troubleshooting 5 1 Power On Trouble ...

Страница 20: ...he level is 2 0V MIC is not working Connect the Phone to Wireless Communication Test Set 8960 or CMU 200 Check the signal level at the point U501 C609 10uF 10V A few hundreds mV of signal levels are measured Check the connectivity of R611 and R613 Replace U603 or U604 which does not have proper level END NO NO 5 2 MIC Trouble ...

Страница 21: ...onnectivity of Receiver component Receiver is not working Connect the Phone to Wireless Communication Test Set Check the signal level at the F501 F502 while putting audio signal in MIC A few hundreds mV of signal levels are measured Check the receiver END NO ...

Страница 22: ...Melody is not heard END Check the connectivity of Speaker Check whether or not the melody signal is out from Pin 17 18 of U405 Connect the Speaker to the phone properly Check the level of C405 PIN 15 level is VBAT Replace U405 NO NO 5 4 Melody Trouble ...

Страница 23: ...ctor on the PCB LCD connector is well soldered onto PCB The LCD driver source voltage is 3V U701 pin 5 YES LCD display is not working Replace LCD module Reassemble LCD module with LCD connector NO Re solder the LCD connector NO YES Replace U701 END YES NO 5 5 LCD Trouble ...

Страница 24: ... voltages are equal to 5 2V 600mA Q400 voltage is between 0 65 0 9V D400 voltage is lower than 0 3V R404 voltage is lower than 0 12V CON300 is well connected to PCB Reassemble bettery pack Re download S W Replace Q400 Replace D400 Replace R404 Re mount CON300 Case 1 Case 2 NO NO NO Replace the bettery pack Replace the defective TA or DTC START END YES 5 6 Charge Trouble ...

Страница 25: ... signal level is higher than normal value Q604 collector voltage level is higher than approx 3V START In the Test mode select Baseband Test then select Vibrator Mode Check for the Vibrator Replace if defective Replace Q605 NO NO YES YES Check for Q604 Replace if defective END 5 7 Vibrator Trouble ...

Страница 26: ... then Backlight ON OFF NO NO NO START YES YES YES Voltage level of U703 is high Approx 2V Re mount R711 Replace U 703 Voltage level of LED pin 1 is same as the voltage value of battery Replace battery Replace Key back light LED CN301 PIN 6 voltage level is high Re solder CN301 Replace the LCD module Defected key backlight Defected LCD EL backlight END END 5 8 Backlight Trouble ...

Страница 27: ... 5 U204 pin 3 DC 1 4V 0 1V Replace U204 if defective Check for U202 soldering Ulysse Nausica S W Check for U206 soldering U206 pin 5 25 28 DC 2 85V Replace U206 if defective Check RF Main chip U202 pin 5 6 7 8 I Q signal DC 1 35V 0 5Vp p Check IF VCO U206 pin 26 27 Frequency 798 MHz Power 25 dBm Go to A Remarks 1 Call connection TEM3 execution ti Enter tms 1 Enter txpw 1 7 Enter rfpw 2 62 Enter rf...

Страница 28: ... for U101 soldering U101 pin 4 VBAT DC voltage 3 3V U101 pin 3 PAON high voltage U101 pin 2 BSW low voltage U101 pin 6 PA_LEVEL signal U101 pin 7 902 4MHz freq power Replace U101 if defective Check for U110 soldering U110 pin 2 low voltage U110 pin 11 high voltage Replace U110 if defective Check Power Amp U101 output C106 Frequency 902 4MHz Power 16 dBm Check ANT switch U110 pin 8 Frequency 902 4 ...

Страница 29: ...06 if defective YES NO Check for U206 soldering U206 pin 5 25 28 DC 2 85V Replace U206 if defective Check RF Mainchip U202 pin 5 6 7 8 I Q signal DC 1 35V 0 5Vp p Check IF VCO U206 pin 26 27 Freuency 766 MHz Power 26 dBm Check RF 2 VCO U206 pin 23 24 Frequency 1364 8 MHz Power 30 dBm START Go to B Remarks 1 Call connection TEM3 execution ti Enter tms1 Enter txpw 1 102 Enter rfpw 2 700 Enter rfe 7 ...

Страница 30: ... 6 PA_LEVEL signal U101 pin 1 1747 8 MHz freq power Replace U101 if defective Check for U110 soldering U110 pin 2 high voltage U110 pin 11 low voltage Replace U110 if defective Check Power Amp U101 output C122 Frequency 1747 8 MHz Power 12 dBm Check ANT switch U110 pin 8 Frequency 1747 8 MHz Power 15 dBm YES Check for RF connector ANT101 soldering Check for U202 soldering U202 pin 26 DC 2 85V Repl...

Страница 31: ...dering Replace U201 if defective Check RF 1 st SAW Filter U201 pin 3 4 Frequency 947 4 MHz Power 77 dBm YES NO Check for U206 soldering Replace U206 if defective Check RFLO VCO U206 pin 23 24 Freuency 1894 6 MHz Power 60 dBm Check ANT Switch U110 pin 10 Frequency 947 4 MHz Power 72 dBm Go to C Remarks 1 Call connection TEM3 execution ti Enter tms1 Enter rfpw 2 62 Enter rfe 1 Enter 2 Spectrum analy...

Страница 32: ...5 14 Troubleshooting ...

Страница 33: ...eplace U203 if defective Check ANT Switch U110 pin 1 Frequency 1842 8 MHz Power 76 dBm Check RF 1 st SAW Filter U203 pin 4 6 Frequency 1842 8 MHz Power 77 dBm YES NO Check for U206 soldering Replace U206 if defective Check RFLO VCO U206 pin 23 24 Frequency 1842 7 MHz Power 30 dBm Go to D YES Remarks 1 Call connection TEM3 execution ti Enter tms1 Enter rfpw 2 700 Enter rfe 1 Enter 2 Spectrum analyz...

Страница 34: ...oubleshooting D NO Check Base Band interface IC U200 pin 2 3 4 5 I Q signal DC1 25V 0 3Vp p U200 pin7 Freq 13 MHz Power 15 dBm Check for U200 Pin soldering Ulysse Nausica S W VC TCXO pin 3 output patch YES END ...

Страница 35: ...6 PCB Diagram 6 1 Main PCB 6 1 Top View ...

Страница 36: ...6 2 PCB Diagram Bottom View ...

Страница 37: ...9 CAP CERAMIC CHIP 1pF GRM36COG 010C 50PN C200 C201 CAP CERAMIC CHIP 22nF GRM36X7R 223K 16PN C204 CAP CERAMIC CHIP 1 5pF GRM36COG 1R5C 50PN C206 CAP CERAMIC CHIP 1 5pF GRM36COG 1R5C 50PN C207 CAP CERAMIC CHIP 100nF 0 1uF GRM36Y5V 104Z 16PN C208 CAP CERAMIC CHIP 22nF GRM36X7R 223K 16PN C209 CAP CERAMIC CHIP 100pF GRM36COG 101J 50PN C210 CAP CERAMIC CHIP 1 2pF GRM36COG 1R2C 50PN C212 CAP CERAMIC CHI...

Страница 38: ...07BJ104KA T C515 CAP CERAMIC CHIP 100nF 0 1uF GRM36Y5V 104Z 16PN C516 CAP CERAMIC CHIP 220nF 1608 LMK107BJ224KA T C517 CAP CERAMIC CHIP 100nF 0 1uF GRM36Y5V 104Z 16PN C520 CAP CERAMIC CHIP 15pF GRM36COG 150J 50PN C521 522 CAP CERAMIC CHIP 100nF 0 1uF GRM36Y5V 104Z 16PN C525 C527 TAN_CAP 10uF 10V F951A106MPAAQ2 TAN_CAP 10uF 6 3V TEPSLPOJ106M8R C531 TAN_CAP 10uF 10V F951A106MPAAQ2 TAN_CAP 10uF 6 3V ...

Страница 39: ...000 CN301 B2B CONNECTOR LCD 30Pin Socket 1 5t AXK5F30335P CN601 BATTERY CONNECTOR AGK3434 CON300 SYSTEM I O CONNECTOR 18Pin 1005 0018 307 DTC CHARGE no terminal CON301 EAR_JACK 02 909BO 66BKY D400 DIODE CRS08 TE85L D500 DIODE RB520S 30 D700 D707 KEY LED DEEP BLUE 0 4t SLSNNBL 103TS AOT 603P B02 V λ 460 465mmcd F400 F401 FERRITE BEADS 1608 BLM11P300SPT F501 F502 FERRITE BEADS 1608 BLM11HB102SD F602...

Страница 40: ... J 1 16W 1005 0402 MCR01MZSJ000 R504 RES CHIP 10 Kohm 5 J 1 16W 1005 0402 MCR01MZSJ103 R505 RES CHIP 220 Kohm 5 J 1 16W 1005 0402 MCR01MZSJ224 R506 R507 RES CHIP 10 Kohm 5 J 1 16W 1005 0402 MCR01MZSJ103 R510 R511 RES CHIP 20 Kohm 5 J 1 16W 1005 0402 MCR01MZSJ203 R512 RES CHIP 120 Kohm 5 J 1 16W 1005 0402 MCR01MZSJ124 R611 RES CHIP 330 ohm 5 J 1 10W 1005 0402 MCR01MZSJ331 R613 R614 RES CHIP 1 Kohm ...

Страница 41: ...2DL640AG701 U405 MELODY IC YMU762QE2 U500 BASE BAND CHIP 1 HERC ROM 20 F741529AGHHR U501 BASE BAND CHIP 2 NAUSICA TWL3012BGGMR 3 U502 DECODER NC7SZ19P6X U601 U606 ANALOG SWITCH DG9411DL T1 U608 COMPARATOR DUAL TC75W56FK TE85L U701 LDO 3 0V LOW CURRENT MIC5219 3 0 BM5 U703 TR DUAL TYPE IMX9T110 V300 VARISTOR 1005 SIZE 50pF AVLC5S02050 V302 V303 VARISTOR 1005 SIZE 50pF AVLC5S02050 V307 V313 VARISTOR...

Страница 42: ...8 Exploded View and Parts List 8 1 Exploded View Main 8 1 1 Main 8 1 ...

Страница 43: ...8 2 Exploded View and Parts List 17 13 18 16 1 2 3 5 6 8 7 12 15 19 14 21 20 10 11 4 9 8 1 2 Folder ...

Страница 44: ...RUBBER MIC BH73 00048A 1 9 MAIN PCB 1 10 SPONGE MIC BH74 00076A 2 11 RUBBER IO BH73 00049A 1 12 CONDUCTIVE TAPE INTENA BH75 00081A 1 13 INTENA 1 14 TAPE INTENA BH75 00078A 1 15 REAR COVER BH72 00107A 1 16 LOCKER MAIN BH72 00110A 1 17 LOCKER SPRING BH71 00055A 1 18 SCREW MAIN BS61 121635A 4 19 SIM COVER BH71 00025A 1 20 RUBBER RF BH73 00046A 1 21 TAPE EARJACK BH75 00076A 1 22 TAPE IO BH75 00077A 2 ...

Страница 45: ...0054A 1 8 MAGNET BH71 00006AA 1 9 CUSHION SPEAKER BH74 00070A 1 10 FELT SPEAKER BH75 00080A 1 11 TAPE VIBRATOR BH75 00074A 1 12 FOLDER LOWER BH72 00108A 1 13 MAIN WINDOW BH72 00115A 1 14 COVER SCREW BH73 00043A 2 15 SCREW FOLDER BS61 121635B 2 16 DECO EAR BH72 00111A 1 17 SCREEN SPEAKER BH71 00055A 1 18 TAPE DECO EAR BH75 00073A 1 19 TAPE MAIN WINDOW BH75 00072A 1 20 SHIELD FORM FPCB BH74 00075A 3...

Страница 46: ...9 Block Diagram 9 1 BB Block Diagram 9 1 ...

Страница 47: ...Block Diagram 9 2 RF Block Diagram 9 2 ...

Страница 48: ...10 Schematic Diagram 10 1 Key Pad 10 1 ...

Страница 49: ...10 2 Schematic Diagram 10 2 Main Board 10 2 1 Chipset ...

Страница 50: ...10 3 Schematic Diagram 10 2 2 Memory Melody ...

Страница 51: ...10 4 Schematic Diagram 10 2 3 Audio SIM ...

Страница 52: ...10 5 Schematic Diagram 10 2 4 Connector ...

Страница 53: ...10 6 Schematic Diagram 10 3 RF Top Schematic 10 3 1 RF PAM ...

Страница 54: ...10 7 Schematic Diagram 10 3 2 RF Main IC ...

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